For example, chirped fiber gratings can be used as reflector in fiber for fabricating many key devices in optical communication such as fiber bandpass filter in terms of the broad reflection bandwidth.

• 如宽的反射带宽这一特点使chirped光纤光栅成为光纤中的宽带反射镜，可用于制作光纤带通滤波器等光纤通信系统中的关键器件；